Update CHANGELOG.md
Update CHANGELOG.md
gaurav1981/VTAcknowledgementsViewController,ElaWorkshop/VTAcknowledgementsViewController,vtourraine/VTAcknowledgementsViewController,gaurav1981/VTAcknowledgementsViewController,ElaWorkshop/VTAcknowledgementsViewController,gaurav1981/VTAcknowledgementsViewController